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<div class="title">steady_db.py</div>  </div>
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<a href="steady__db_8py.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"><a class="line" href="namespaceaestate_1_1opera_1_1_d_b_pool_1_1steady__db.html">    1</a></span>&#160;<span class="keyword">import</span> sys</div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160; </div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="keyword">from</span> . <span class="keyword">import</span> __version__</div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="keyword">from</span> ...util.Log <span class="keyword">import</span> ALog</div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160; </div>
<div class="line"><a name="l00006"></a><span class="lineno"><a class="line" href="namespaceaestate_1_1opera_1_1_d_b_pool_1_1steady__db.html#a3aceea8053e56770c3e1f9a99ee19226">    6</a></span>&#160;baseint = int</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160; </div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_error.html">    9</a></span>&#160;<span class="keyword">class </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_error.html">SteadyDBError</a>(Exception):</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;    <span class="stringliteral">&quot;&quot;&quot;General SteadyDB error.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160; </div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_invalid_cursor.html">   13</a></span>&#160;<span class="keyword">class </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_invalid_cursor.html">InvalidCursor</a>(<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_error.html">SteadyDBError</a>):</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;    <span class="stringliteral">&quot;&quot;&quot;Database cursor is invalid.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="namespaceaestate_1_1opera_1_1_d_b_pool_1_1steady__db.html#ac744dc4ab3e2dabdd34d3441e7d9ab5c">   17</a></span>&#160;<span class="keyword">def </span><a class="code" href="namespaceaestate_1_1opera_1_1_d_b_pool_1_1steady__db.html#ac744dc4ab3e2dabdd34d3441e7d9ab5c">connect</a>(</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;        creator, maxusage=None, setsession=None,</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;        failures=None, ping=1, closeable=True, *args, **kwargs):</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    <span class="stringliteral">&quot;&quot;&quot;A tough version of the connection constructor of a DB-API 2 module.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="stringliteral">    creator: either an arbitrary function returning new DB-API 2 compliant</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="stringliteral">        connection objects or a DB-API 2 compliant database module</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="stringliteral">    maxusage: maximum usage limit for the underlying DB-API 2 connection</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="stringliteral">        (number of database operations, 0 or None means unlimited usage)</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="stringliteral">        callproc(), execute() and executemany() count as one operation.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="stringliteral">        When the limit is reached, the connection is automatically reset.</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="stringliteral">    setsession: an optional list of SQL commands that may serve to prepare</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="stringliteral">        the session, e.g. [&quot;set datestyle to german&quot;, &quot;set time zone mez&quot;]</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="stringliteral">    failures: an optional exception class or a tuple of exception classes</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="stringliteral">        for which the failover mechanism shall be applied, if the default</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="stringliteral">        (OperationalError, InternalError) is not adequate</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="stringliteral">    ping: determines when the connection should be checked with ping()</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="stringliteral">        (0 = None = never, 1 = default = when _ping_check() is called,</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="stringliteral">        2 = whenever a cursor is created, 4 = when a query is executed,</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="stringliteral">        7 = always, and all other bit combinations of these values)</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="stringliteral">    closeable: if this is set to false, then closing the connection will</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="stringliteral">        be silently ignored, but by default the connection can be closed</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="stringliteral">    args, kwargs: the parameters that shall be passed to the creator</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="stringliteral">        function or the connection constructor of the DB-API 2 module</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="stringliteral">    &quot;&quot;&quot;</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <span class="keywordflow">return</span> SteadyDBConnection(</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        creator, maxusage, setsession,</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        failures, ping, closeable, *args, **kwargs)</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html">   47</a></span>&#160;<span class="keyword">class </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html">SteadyDBConnection</a>:</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <span class="stringliteral">&quot;&quot;&quot;A &quot;tough&quot; version of DB-API 2 connections.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a49db9750e5ebbac63b022ec88f24c0be">   50</a></span>&#160;    version = __version__</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a742fe587806656b2ca6709ed3d854fc2">   52</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a742fe587806656b2ca6709ed3d854fc2">__init__</a>(</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;            self, creator, maxusage=None, setsession=None,</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;            failures=None, ping=1, closeable=True, *args, **kwargs):</div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">   55</a></span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Create a &quot;tough&quot; DB-API 2 connection.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a7fb759cb11cc99cf24d36a55ca0bd5d2">   56</a></span>&#160;        <span class="comment"># basic initialization to make finalizer work</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a> = <span class="keywordtype">None</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a7fb759cb11cc99cf24d36a55ca0bd5d2">_closed</a> = <span class="keyword">True</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a9f80424141adf1798c87855d0d462885">   59</a></span>&#160;        <span class="comment"># proper initialization of the connection</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">   60</a></span>&#160;        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a9f80424141adf1798c87855d0d462885">_creator</a> = creator.connect</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a> = creator</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;            <span class="comment"># try finding the DB-API 2 module via the connection creator</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a9f80424141adf1798c87855d0d462885">_creator</a> = creator</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;            <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a> = creator.dbapi</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;            <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;                <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;                    self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a> = sys.modules[creator.__module__]</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;                    <span class="keywordflow">if</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a>.connect != creator:</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;                        <span class="keywordflow">raise</span> AttributeError</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;                <span class="keywordflow">except</span> (AttributeError, KeyError):</div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a0b4bdf72fa0b518eeea6ab88e6496ecc">   74</a></span>&#160;                    self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a> = <span class="keywordtype">None</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a0b4bdf72fa0b518eeea6ab88e6496ecc">_threadsafety</a> = creator.threadsafety</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;            <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a0b4bdf72fa0b518eeea6ab88e6496ecc">_threadsafety</a> = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a>.threadsafety</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;            <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a0b4bdf72fa0b518eeea6ab88e6496ecc">_threadsafety</a> = <span class="keywordtype">None</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        <span class="keywordflow">if</span> <span class="keywordflow">not</span> callable(self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a9f80424141adf1798c87855d0d462885">_creator</a>):</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;            <span class="keywordflow">raise</span> TypeError(<span class="stringliteral">&quot;%r is not a connection provider.&quot;</span> % (creator,))</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        <span class="keywordflow">if</span> maxusage <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;            maxusage = 0</div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3e0e1369afa1617dbe2bc82cfc04b95f">   86</a></span>&#160;        <span class="keywordflow">if</span> <span class="keywordflow">not</span> isinstance(maxusage, baseint):</div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5e6832cf015626426e9baef4be3ce964">   87</a></span>&#160;            <span class="keywordflow">raise</span> TypeError(<span class="stringliteral">&quot;&#39;maxusage&#39; must be an integer value.&quot;</span>)</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3e0e1369afa1617dbe2bc82cfc04b95f">_maxusage</a> = maxusage</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5e6832cf015626426e9baef4be3ce964">_setsession_sql</a> = setsession</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="keywordflow">if</span> failures <span class="keywordflow">is</span> <span class="keywordflow">not</span> <span class="keywordtype">None</span> <span class="keywordflow">and</span> <span class="keywordflow">not</span> isinstance(</div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">   91</a></span>&#160;                failures, tuple) <span class="keywordflow">and</span> <span class="keywordflow">not</span> issubclass(failures, Exception):</div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a578b2f4952e4ba3379b2a14b7f3dac0a">   92</a></span>&#160;            <span class="keywordflow">raise</span> TypeError(<span class="stringliteral">&quot;&#39;failures&#39; must be a tuple of exceptions.&quot;</span>)</div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a967deb7e8879419b4459508c81dd5c9b">   93</a></span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">_failures</a> = failures</div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a07d8073d2c0efe70f50dc831de617466">   94</a></span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a578b2f4952e4ba3379b2a14b7f3dac0a">_ping</a> = ping <span class="keywordflow">if</span> isinstance(ping, int) <span class="keywordflow">else</span> 0</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a967deb7e8879419b4459508c81dd5c9b">_closeable</a> = closeable</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;        self._args, self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a07d8073d2c0efe70f50dc831de617466">_kwargs</a> = args, kwargs</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#afc3b5a8c80af36a6e43f8c6c86db4916">_store</a>(self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a2b210013187a6cffb7718d598bf013dd">_create</a>())</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160; </div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ae3c637c3c1ae68e692a5cdf4b1271e09">   99</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ae3c637c3c1ae68e692a5cdf4b1271e09">__enter__</a>(self):</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Enter the runtime context for the connection object.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        <span class="keywordflow">return</span> self</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ae661a245d37529b8471e43c94350ddd2">  103</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ae661a245d37529b8471e43c94350ddd2">__exit__</a>(self, *exc):</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Exit the runtime context for the connection object.</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="stringliteral">        This does not close the connection, but it ends a transaction.</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="stringliteral">        &quot;&quot;&quot;</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        <span class="keywordflow">if</span> exc[0] <span class="keywordflow">is</span> <span class="keywordtype">None</span> <span class="keywordflow">and</span> exc[1] <span class="keywordflow">is</span> <span class="keywordtype">None</span> <span class="keywordflow">and</span> exc[2] <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a4f15611028c8c75b3922875df7b075dc">commit</a>()</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a00bb5c0ae0eb6e6324a9b88c00395951">rollback</a>()</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a2b210013187a6cffb7718d598bf013dd">  113</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a2b210013187a6cffb7718d598bf013dd">_create</a>(self):</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Create a new connection using the creator function.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        con = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a9f80424141adf1798c87855d0d462885">_creator</a>(*self._args, **self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a07d8073d2c0efe70f50dc831de617466">_kwargs</a>)</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;                <span class="keywordflow">if</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a>.connect != self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a9f80424141adf1798c87855d0d462885">_creator</a>:</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;                    <span class="keywordflow">raise</span> AttributeError</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;            <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;                <span class="comment"># try finding the DB-API 2 module via the connection itself</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;                <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;                    mod = con.__module__</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;                <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;                    mod = <span class="keywordtype">None</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;                <span class="keywordflow">while</span> mod:</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;                    <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;                        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a> = sys.modules[mod]</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;                        <span class="keywordflow">if</span> <span class="keywordflow">not</span> callable(self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a>.connect):</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;                            <span class="keywordflow">raise</span> AttributeError</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;                    <span class="keywordflow">except</span> (AttributeError, KeyError):</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;                        <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;                    <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                        <span class="keywordflow">break</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                    i = mod.rfind(<span class="stringliteral">&#39;.&#39;</span>)</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;                    <span class="keywordflow">if</span> i &lt; 0:</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;                        mod = <span class="keywordtype">None</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;                    <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;                        mod = mod[:i]</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;                <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;                    <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;                        mod = con.OperationalError.__module__</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;                    <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;                        mod = <span class="keywordtype">None</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;                    <span class="keywordflow">while</span> mod:</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;                        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;                            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a> = sys.modules[mod]</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;                            <span class="keywordflow">if</span> <span class="keywordflow">not</span> callable(self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a>.connect):</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;                                <span class="keywordflow">raise</span> AttributeError</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;                        <span class="keywordflow">except</span> (AttributeError, KeyError):</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;                            <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;                        <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;                            <span class="keywordflow">break</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                        i = mod.rfind(<span class="stringliteral">&#39;.&#39;</span>)</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;                        <span class="keywordflow">if</span> i &lt; 0:</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;                            mod = <span class="keywordtype">None</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;                        <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;                            mod = mod[:i]</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;                    <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;                        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a> = <span class="keywordtype">None</span></div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;            <span class="keywordflow">if</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a0b4bdf72fa0b518eeea6ab88e6496ecc">_threadsafety</a> <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;                <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;                    self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a0b4bdf72fa0b518eeea6ab88e6496ecc">_threadsafety</a> = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a>.threadsafety</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;                <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;                    <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;                        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a0b4bdf72fa0b518eeea6ab88e6496ecc">_threadsafety</a> = con.threadsafety</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;                    <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;                        <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;            <span class="keywordflow">if</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">_failures</a> <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;                <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;                    self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">_failures</a> = (</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;                        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a>.OperationalError,</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;                        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a>.InternalError)</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;                <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;                    <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;                        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">_failures</a> = (</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;                            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a9f80424141adf1798c87855d0d462885">_creator</a>.OperationalError,</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;                            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a9f80424141adf1798c87855d0d462885">_creator</a>.InternalError)</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;                    <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;                        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;                            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">_failures</a> = (</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;                                con.OperationalError, con.InternalError)</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;                        <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;                            <span class="keywordflow">raise</span> AttributeError(</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;                                <span class="stringliteral">&quot;Could not determine failure exceptions&quot;</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;                                <span class="stringliteral">&quot; (please set failures or creator.dbapi).&quot;</span>)</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;            <span class="keywordflow">if</span> isinstance(self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">_failures</a>, tuple):</div>
<div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a4a484f6c16d2e10f1b7d741468d6fde1">  188</a></span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a4a484f6c16d2e10f1b7d741468d6fde1">_failure</a> = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">_failures</a>[0]</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;            <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a4a484f6c16d2e10f1b7d741468d6fde1">_failure</a> = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">_failures</a></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a24982314ea0b9b7637539c08507791e0">_setsession</a>(con)</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        <span class="keywordflow">except</span> Exception <span class="keyword">as</span> error:</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;            <span class="comment"># the database module could not be determined</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            <span class="comment"># or the session could not be prepared</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            <span class="keywordflow">try</span>:  <span class="comment"># close the connection first</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;                con.close()</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;                <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            <span class="keywordflow">raise</span> error  <span class="comment"># re-raise the original error again</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;        <span class="keywordflow">return</span> con</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160; </div>
<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a24982314ea0b9b7637539c08507791e0">  202</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a24982314ea0b9b7637539c08507791e0">_setsession</a>(self, con=None):</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Execute the SQL commands for session preparation.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        <span class="keywordflow">if</span> con <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            con = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a></div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        <span class="keywordflow">if</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5e6832cf015626426e9baef4be3ce964">_setsession_sql</a>:</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;            cursor = con.cursor()</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;            <span class="keywordflow">for</span> sql <span class="keywordflow">in</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5e6832cf015626426e9baef4be3ce964">_setsession_sql</a>:</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;                cursor.execute(sql)</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;            cursor.close()</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#afc3b5a8c80af36a6e43f8c6c86db4916">  212</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#afc3b5a8c80af36a6e43f8c6c86db4916">_store</a>(self, con):</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Store a database connection for subsequent use.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a> = con</div>
<div class="line"><a name="l00215"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">  215</a></span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">_transaction</a> = <span class="keyword">False</span></div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a7fb759cb11cc99cf24d36a55ca0bd5d2">_closed</a> = <span class="keyword">False</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ac3bc1ea308b937f4ecbcf28741915070">  217</a></span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ac3bc1ea308b937f4ecbcf28741915070">_usage</a> = 0</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160; </div>
<div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5763a69034242a89c31398732f250fd7">  219</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5763a69034242a89c31398732f250fd7">_close</a>(self):</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Close the tough connection.</span></div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="stringliteral">        You can always close a tough connection with this method</span></div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;<span class="stringliteral">        and it will not complain if you close it more than once.</span></div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;<span class="stringliteral">        &quot;&quot;&quot;</span></div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;        <span class="keywordflow">if</span> <span class="keywordflow">not</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a7fb759cb11cc99cf24d36a55ca0bd5d2">_closed</a>:</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;            <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a>.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#aa30777ea211bebe80a224d571f2a2464">close</a>()</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;            <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;                <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">_transaction</a> = <span class="keyword">False</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a7fb759cb11cc99cf24d36a55ca0bd5d2">_closed</a> = <span class="keyword">True</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160; </div>
<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3ab0ce9135d548b918bc7f649b089f83">  233</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3ab0ce9135d548b918bc7f649b089f83">_reset</a>(self, force=False):</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Reset a tough connection.</span></div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="stringliteral">        Rollback if forced or the connection was in a transaction.</span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;<span class="stringliteral">        &quot;&quot;&quot;</span></div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;        <span class="keywordflow">if</span> <span class="keywordflow">not</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a7fb759cb11cc99cf24d36a55ca0bd5d2">_closed</a> <span class="keywordflow">and</span> (force <span class="keywordflow">or</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">_transaction</a>):</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;            <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a00bb5c0ae0eb6e6324a9b88c00395951">rollback</a>()</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;            <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;                <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160; </div>
<div class="line"><a name="l00244"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a079e94869821c3af018c648799f1e67d">  244</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a079e94869821c3af018c648799f1e67d">_ping_check</a>(self, ping=1, reconnect=True):</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Check whether the connection is still alive using ping().</span></div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="stringliteral">        If the the underlying connection is not active and the ping</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="stringliteral">        parameter is set accordingly, the connection will be recreated</span></div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="stringliteral">        unless the connection is currently inside a transaction.</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="stringliteral">        &quot;&quot;&quot;</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;        <span class="keywordflow">if</span> ping &amp; self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a578b2f4952e4ba3379b2a14b7f3dac0a">_ping</a>:</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;            <span class="keywordflow">try</span>:  <span class="comment"># if possible, ping the connection</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;                <span class="keywordflow">try</span>:  <span class="comment"># pass a reconnect=False flag if this is supported</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;                    alive = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a>.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#adf762a7980ffe89f1db98f17787743fc">ping</a>(<span class="keyword">False</span>)</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;                <span class="keywordflow">except</span> TypeError:  <span class="comment"># the reconnect flag is not supported</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;                    alive = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a>.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#adf762a7980ffe89f1db98f17787743fc">ping</a>()</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;            <span class="keywordflow">except</span> (AttributeError, IndexError, TypeError, ValueError):</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a578b2f4952e4ba3379b2a14b7f3dac0a">_ping</a> = 0  <span class="comment"># ping() is not available</span></div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;                alive = <span class="keywordtype">None</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;                reconnect = <span class="keyword">False</span></div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;            <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;                alive = <span class="keyword">False</span></div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;            <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;                <span class="keywordflow">if</span> alive <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;                    alive = <span class="keyword">True</span></div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;                <span class="keywordflow">if</span> alive:</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;                    reconnect = <span class="keyword">False</span></div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;            <span class="keywordflow">if</span> reconnect <span class="keywordflow">and</span> <span class="keywordflow">not</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">_transaction</a>:</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;                <span class="keywordflow">try</span>:  <span class="comment"># try to reopen the connection</span></div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;                    con = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a2b210013187a6cffb7718d598bf013dd">_create</a>()</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;                <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;                    <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;                <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;                    self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5763a69034242a89c31398732f250fd7">_close</a>()</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;                    self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#afc3b5a8c80af36a6e43f8c6c86db4916">_store</a>(con)</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;                    alive = <span class="keyword">True</span></div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;            <span class="keywordflow">return</span> alive</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160; </div>
<div class="line"><a name="l00279"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ac09c6e5780862bf432fc570794b55dd7">  279</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ac09c6e5780862bf432fc570794b55dd7">dbapi</a>(self):</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Return the underlying DB-API 2 module of the connection.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;        <span class="keywordflow">if</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a> <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;            <span class="keywordflow">raise</span> AttributeError(</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;                <span class="stringliteral">&quot;Could not determine DB-API 2 module&quot;</span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;                <span class="stringliteral">&quot; (please set creator.dbapi).&quot;</span>)</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;        <span class="keywordflow">return</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a></div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160; </div>
<div class="line"><a name="l00287"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a020be08cf4a1664fee30a4148dacc6ce">  287</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a020be08cf4a1664fee30a4148dacc6ce">threadsafety</a>(self):</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Return the thread safety level of the connection.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        <span class="keywordflow">if</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a0b4bdf72fa0b518eeea6ab88e6496ecc">_threadsafety</a> <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;            <span class="keywordflow">if</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">_dbapi</a> <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;                <span class="keywordflow">raise</span> AttributeError(</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;                    <span class="stringliteral">&quot;Could not determine threadsafety&quot;</span></div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;                    <span class="stringliteral">&quot; (please set creator.dbapi or creator.threadsafety).&quot;</span>)</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;            <span class="keywordflow">return</span> 0</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;        <span class="keywordflow">return</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a0b4bdf72fa0b518eeea6ab88e6496ecc">_threadsafety</a></div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160; </div>
<div class="line"><a name="l00297"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#aa30777ea211bebe80a224d571f2a2464">  297</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#aa30777ea211bebe80a224d571f2a2464">close</a>(self):</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Close the tough connection.</span></div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;<span class="stringliteral">        You are allowed to close a tough connection by default</span></div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;<span class="stringliteral">        and it will not complain if you close it more than once.</span></div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;<span class="stringliteral">        You can disallow closing connections by setting</span></div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;<span class="stringliteral">        the closeable parameter to something false.  In this case,</span></div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;<span class="stringliteral">        closing tough connections will be silently ignored.</span></div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;<span class="stringliteral">        &quot;&quot;&quot;</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;        <span class="keywordflow">if</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a967deb7e8879419b4459508c81dd5c9b">_closeable</a>:</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5763a69034242a89c31398732f250fd7">_close</a>()</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;        <span class="keywordflow">elif</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">_transaction</a>:</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3ab0ce9135d548b918bc7f649b089f83">_reset</a>()</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160; </div>
<div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#af394832af1730b3f6a9819dc533a7689">  312</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#af394832af1730b3f6a9819dc533a7689">begin</a>(self, *args, **kwargs):</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Indicate the beginning of a transaction.</span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;<span class="stringliteral">        During a transaction, connections won&#39;t be transparently</span></div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;<span class="stringliteral">        replaced, and all errors will be raised to the application.</span></div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;<span class="stringliteral">        If the underlying driver supports this method, it will be called</span></div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="stringliteral">        with the given parameters (e.g. for distributed transactions).</span></div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;<span class="stringliteral">        &quot;&quot;&quot;</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">_transaction</a> = <span class="keyword">True</span></div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;            begin = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a>.begin</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;        <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;            <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;        <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;            <a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#af394832af1730b3f6a9819dc533a7689">begin</a>(*args, **kwargs)</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160; </div>
<div class="line"><a name="l00329"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a4f15611028c8c75b3922875df7b075dc">  329</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a4f15611028c8c75b3922875df7b075dc">commit</a>(self):</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Commit any pending transaction.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">_transaction</a> = <span class="keyword">False</span></div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a>.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a4f15611028c8c75b3922875df7b075dc">commit</a>()</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;        <span class="keywordflow">except</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">_failures</a> <span class="keyword">as</span> error:  <span class="comment"># cannot commit</span></div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;            <span class="keywordflow">try</span>:  <span class="comment"># try to reopen the connection</span></div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;                con = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a2b210013187a6cffb7718d598bf013dd">_create</a>()</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;            <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;                <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;            <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5763a69034242a89c31398732f250fd7">_close</a>()</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#afc3b5a8c80af36a6e43f8c6c86db4916">_store</a>(con)</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;            <span class="keywordflow">raise</span> error  <span class="comment"># re-raise the original error</span></div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160; </div>
<div class="line"><a name="l00344"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a00bb5c0ae0eb6e6324a9b88c00395951">  344</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a00bb5c0ae0eb6e6324a9b88c00395951">rollback</a>(self):</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Rollback pending transaction.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">_transaction</a> = <span class="keyword">False</span></div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a>.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a00bb5c0ae0eb6e6324a9b88c00395951">rollback</a>()</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;        <span class="keywordflow">except</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">_failures</a> <span class="keyword">as</span> error:  <span class="comment"># cannot rollback</span></div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;            <span class="keywordflow">try</span>:  <span class="comment"># try to reopen the connection</span></div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;                con = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a2b210013187a6cffb7718d598bf013dd">_create</a>()</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;            <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;                <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;            <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5763a69034242a89c31398732f250fd7">_close</a>()</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#afc3b5a8c80af36a6e43f8c6c86db4916">_store</a>(con)</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;            <span class="keywordflow">raise</span> error  <span class="comment"># re-raise the original error</span></div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160; </div>
<div class="line"><a name="l00359"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#aacd481d615fddce87d6076d1b4aa28f2">  359</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#aacd481d615fddce87d6076d1b4aa28f2">cancel</a>(self):</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Cancel a long-running transaction.</span></div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;<span class="stringliteral">        If the underlying driver supports this method, it will be called.</span></div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;<span class="stringliteral">        &quot;&quot;&quot;</span></div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">_transaction</a> = <span class="keyword">False</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;            cancel = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a>.cancel</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;        <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;            <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;        <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;            <a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#aacd481d615fddce87d6076d1b4aa28f2">cancel</a>()</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160; </div>
<div class="line"><a name="l00372"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#adf762a7980ffe89f1db98f17787743fc">  372</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#adf762a7980ffe89f1db98f17787743fc">ping</a>(self, *args, **kwargs):</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Ping connection.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;        <span class="keywordflow">return</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a>.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#adf762a7980ffe89f1db98f17787743fc">ping</a>(*args, **kwargs)</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160; </div>
<div class="line"><a name="l00376"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3b01962d75077791567d955ca19b3cfc">  376</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3b01962d75077791567d955ca19b3cfc">_cursor</a>(self, *args, **kwargs):</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;A &quot;tough&quot; version of the method cursor().&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;        <span class="comment"># The args and kwargs are not part of the standard,</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        <span class="comment"># but some database modules seem to use these.</span></div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;        transaction = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">_transaction</a></div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;        <span class="keywordflow">if</span> <span class="keywordflow">not</span> transaction:</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a079e94869821c3af018c648799f1e67d">_ping_check</a>(2)</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;            <span class="comment"># check whether the connection has been used too often</span></div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;            <span class="keywordflow">if</span> (self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3e0e1369afa1617dbe2bc82cfc04b95f">_maxusage</a> <span class="keywordflow">and</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ac3bc1ea308b937f4ecbcf28741915070">_usage</a> &gt;= self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3e0e1369afa1617dbe2bc82cfc04b95f">_maxusage</a></div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;                    <span class="keywordflow">and</span> <span class="keywordflow">not</span> transaction):</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;                <span class="keywordflow">raise</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a4a484f6c16d2e10f1b7d741468d6fde1">_failure</a></div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;            cursor = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">_con</a>.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a90b8923e39f13d9501b3461a7ce56af3">cursor</a>(*args, **kwargs)  <span class="comment"># try to get a cursor</span></div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;        <span class="keywordflow">except</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">_failures</a> <span class="keyword">as</span> error:  <span class="comment"># error in getting cursor</span></div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;            <span class="keywordflow">try</span>:  <span class="comment"># try to reopen the connection</span></div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;                con = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a2b210013187a6cffb7718d598bf013dd">_create</a>()</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;            <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;                <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;            <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;                <span class="keywordflow">try</span>:  <span class="comment"># and try one more time to get a cursor</span></div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;                    cursor = con.cursor(*args, **kwargs)</div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;                <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;                    <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;                <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;                    self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5763a69034242a89c31398732f250fd7">_close</a>()</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;                    self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#afc3b5a8c80af36a6e43f8c6c86db4916">_store</a>(con)</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;                    <span class="keywordflow">if</span> transaction:</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;                        <span class="keywordflow">raise</span> error  <span class="comment"># re-raise the original error again</span></div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;                    <span class="keywordflow">return</span> cursor</div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;                <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;                    con.close()</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;                <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;                    <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;            <span class="keywordflow">if</span> transaction:</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">_transaction</a> = <span class="keyword">False</span></div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;            <span class="keywordflow">raise</span> error  <span class="comment"># re-raise the original error again</span></div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;        <span class="keywordflow">return</span> cursor</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160; </div>
<div class="line"><a name="l00414"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a90b8923e39f13d9501b3461a7ce56af3">  414</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a90b8923e39f13d9501b3461a7ce56af3">cursor</a>(self, *args, **kwargs):</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Return a new Cursor Object using the connection.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html">SteadyDBCursor</a>(self, *args, **kwargs)</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160; </div>
<div class="line"><a name="l00418"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a62e59360bcc86021361d195e912b133a">  418</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a62e59360bcc86021361d195e912b133a">__del__</a>(self):</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Delete the steady connection.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5763a69034242a89c31398732f250fd7">_close</a>()  <span class="comment"># make sure the connection is closed</span></div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;        <span class="keywordflow">except</span>:  <span class="comment"># builtin Exceptions might not exist any more</span></div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;            <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160; </div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160; </div>
<div class="line"><a name="l00426"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html">  426</a></span>&#160;<span class="keyword">class </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html">SteadyDBCursor</a>:</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;    <span class="stringliteral">&quot;&quot;&quot;A &quot;tough&quot; version of DB-API 2 cursors.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160; </div>
<div class="line"><a name="l00429"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ab543a5372b7290094e31aca15a86a214">  429</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ab543a5372b7290094e31aca15a86a214">__init__</a>(self, con, *args, **kwargs):</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Create a &quot;tough&quot; DB-API 2 cursor.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;        <span class="comment"># basic initialization to make finalizer work</span></div>
<div class="line"><a name="l00432"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">  432</a></span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">_cursor</a> = <span class="keywordtype">None</span></div>
<div class="line"><a name="l00433"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2190d19a7524ad78804ebdd548c5738b">  433</a></span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2190d19a7524ad78804ebdd548c5738b">_closed</a> = <span class="keyword">True</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;        <span class="comment"># proper initialization of the cursor</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1c3e746ab8894a23aa8c4904687b55ca">  435</a></span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1c3e746ab8894a23aa8c4904687b55ca">_con</a> = con</div>
<div class="line"><a name="l00436"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a6edf22f1da7cfbc9dc9818dac2caa183">  436</a></span>&#160;        self._args, self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a6edf22f1da7cfbc9dc9818dac2caa183">_kwargs</a> = args, kwargs</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2a3784debbf73c4c7a4048d316df7bd3">_clearsizes</a>()</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">_cursor</a> = con._cursor(*args, **kwargs)</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;        <span class="keywordflow">except</span> AttributeError:</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;            <span class="keywordflow">raise</span> TypeError(<span class="stringliteral">&quot;%r is not a SteadyDBConnection.&quot;</span> % (con,))</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2190d19a7524ad78804ebdd548c5738b">_closed</a> = <span class="keyword">False</span></div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160; </div>
<div class="line"><a name="l00444"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ab208b1de0d758fcfdcb36cb9fae636b6">  444</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ab208b1de0d758fcfdcb36cb9fae636b6">__enter__</a>(self):</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Enter the runtime context for the cursor object.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;        <span class="keywordflow">return</span> self</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160; </div>
<div class="line"><a name="l00448"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a7cf3f9e961d70360ae259fb1f48efc26">  448</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a7cf3f9e961d70360ae259fb1f48efc26">__exit__</a>(self, *exc):</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Exit the runtime context for the cursor object.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a89f16e86877b9ed50ee57fe590a812fe">close</a>()</div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160; </div>
<div class="line"><a name="l00452"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#af3aee6da8e5ccf33205f9dcb5157cf8f">  452</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#af3aee6da8e5ccf33205f9dcb5157cf8f">setinputsizes</a>(self, sizes):</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Store input sizes in case cursor needs to be reopened.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00454"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a4974daa04f2293ce380353d058f70338">  454</a></span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a4974daa04f2293ce380353d058f70338">_inputsizes</a> = sizes</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160; </div>
<div class="line"><a name="l00456"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a3ea678251bc7532844887fa61f41158d">  456</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a3ea678251bc7532844887fa61f41158d">setoutputsize</a>(self, size, column=None):</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Store output sizes in case cursor needs to be reopened.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#afe65d250af716e2772d41ebcb95b0add">_outputsizes</a>[column] = size</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160; </div>
<div class="line"><a name="l00460"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2a3784debbf73c4c7a4048d316df7bd3">  460</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2a3784debbf73c4c7a4048d316df7bd3">_clearsizes</a>(self):</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Clear stored input and output sizes.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a4974daa04f2293ce380353d058f70338">_inputsizes</a> = []</div>
<div class="line"><a name="l00463"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#afe65d250af716e2772d41ebcb95b0add">  463</a></span>&#160;        self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#afe65d250af716e2772d41ebcb95b0add">_outputsizes</a> = {}</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160; </div>
<div class="line"><a name="l00465"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#add0880b8bd00bc7e1c2e401dcfc18c53">  465</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#add0880b8bd00bc7e1c2e401dcfc18c53">_setsizes</a>(self, cursor=None):</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Set stored input and output sizes for cursor execution.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;        <span class="keywordflow">if</span> cursor <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;            cursor = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">_cursor</a></div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;        <span class="keywordflow">if</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a4974daa04f2293ce380353d058f70338">_inputsizes</a>:</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;            cursor.setinputsizes(self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a4974daa04f2293ce380353d058f70338">_inputsizes</a>)</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;        <span class="keywordflow">for</span> column, size <span class="keywordflow">in</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#afe65d250af716e2772d41ebcb95b0add">_outputsizes</a>.items():</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;            <span class="keywordflow">if</span> column <span class="keywordflow">is</span> <span class="keywordtype">None</span>:</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;                cursor.setoutputsize(size)</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;            <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;                cursor.setoutputsize(size, column)</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160; </div>
<div class="line"><a name="l00477"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a89f16e86877b9ed50ee57fe590a812fe">  477</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a89f16e86877b9ed50ee57fe590a812fe">close</a>(self):</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Close the tough cursor.</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;<span class="stringliteral">        It will not complain if you close it more than once.</span></div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;<span class="stringliteral">        &quot;&quot;&quot;</span></div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;        <span class="keywordflow">if</span> <span class="keywordflow">not</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2190d19a7524ad78804ebdd548c5738b">_closed</a>:</div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;            <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">_cursor</a>.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a89f16e86877b9ed50ee57fe590a812fe">close</a>()</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;            <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;                <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2190d19a7524ad78804ebdd548c5738b">_closed</a> = <span class="keyword">True</span></div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160; </div>
<div class="line"><a name="l00489"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#adde9d6b5fc37b1c187e5c8ec4ba57941">  489</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#adde9d6b5fc37b1c187e5c8ec4ba57941">_get_tough_method</a>(self, name):</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Return a &quot;tough&quot; version of the given cursor method.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160; </div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;        <span class="keyword">def </span>tough_method(*args, **kwargs):</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;            execute = name.startswith(<span class="stringliteral">&#39;execute&#39;</span>)</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;            con = self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1c3e746ab8894a23aa8c4904687b55ca">_con</a></div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;            transaction = con._transaction</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;            <span class="keywordflow">if</span> <span class="keywordflow">not</span> transaction:</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;                con._ping_check(4)</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;            <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;                <span class="comment"># 检查连接是否使用过频繁</span></div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;                <span class="keywordflow">if</span> (con._maxusage <span class="keywordflow">and</span> con._usage &gt;= con._maxusage</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;                        <span class="keywordflow">and</span> <span class="keywordflow">not</span> transaction):</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;                    <span class="keywordflow">raise</span> con._failure</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;                <span class="keywordflow">if</span> execute:</div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;                    self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#add0880b8bd00bc7e1c2e401dcfc18c53">_setsizes</a>()</div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;                method = getattr(self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">_cursor</a>, name)</div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;                result = method(*args, **kwargs)  <span class="comment"># try to execute</span></div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;                <span class="keywordflow">if</span> execute:</div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;                    self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2a3784debbf73c4c7a4048d316df7bd3">_clearsizes</a>()</div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;            <span class="keywordflow">except</span> con._failures <span class="keyword">as</span> error:  <span class="comment"># execution error</span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;                <span class="keywordflow">if</span> <span class="keywordflow">not</span> transaction:</div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;                    <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;                        cursor2 = con._cursor(</div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;                            *self._args, **self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a6edf22f1da7cfbc9dc9818dac2caa183">_kwargs</a>)  <span class="comment"># open new cursor</span></div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;                    <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;                        <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;                    <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;                        <span class="keywordflow">try</span>:  <span class="comment"># and try one more time to execute</span></div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;                            <span class="keywordflow">if</span> execute:</div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;                                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#add0880b8bd00bc7e1c2e401dcfc18c53">_setsizes</a>(cursor2)</div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;                            method = getattr(cursor2, name)</div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;                            result = method(*args, **kwargs)</div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;                            <span class="keywordflow">if</span> execute:</div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;                                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2a3784debbf73c4c7a4048d316df7bd3">_clearsizes</a>()</div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;                        <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;                            <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;                        <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;                            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a89f16e86877b9ed50ee57fe590a812fe">close</a>()</div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;                            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">_cursor</a> = cursor2</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;                            con._usage += 1</div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;                            <span class="keywordflow">return</span> result</div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;                        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;                            cursor2.close()</div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;                        <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;                            <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;                <span class="keywordflow">try</span>:  <span class="comment"># try to reopen the connection</span></div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;                    con2 = con._create()</div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;                <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;                    <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;                <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;                    <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;                        cursor2 = con2.cursor(</div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;                            *self._args, **self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a6edf22f1da7cfbc9dc9818dac2caa183">_kwargs</a>)  <span class="comment"># open new cursor</span></div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;                    <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;                        <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;                    <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;                        <span class="keywordflow">if</span> transaction:</div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;                            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a89f16e86877b9ed50ee57fe590a812fe">close</a>()</div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;                            con._close()</div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;                            con._store(con2)</div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;                            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">_cursor</a> = cursor2</div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;                            <span class="keywordflow">raise</span> error  <span class="comment"># raise the original error again</span></div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;                        error2 = <span class="keywordtype">None</span></div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;                        <span class="keywordflow">try</span>:  <span class="comment"># try one more time to execute</span></div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;                            <span class="keywordflow">if</span> execute:</div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;                                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#add0880b8bd00bc7e1c2e401dcfc18c53">_setsizes</a>(cursor2)</div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;                            method2 = getattr(cursor2, name)</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;                            result = method2(*args, **kwargs)</div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;                            <span class="keywordflow">if</span> execute:</div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;                                self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2a3784debbf73c4c7a4048d316df7bd3">_clearsizes</a>()</div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;                        <span class="keywordflow">except</span> error.__class__:  <span class="comment"># same execution error</span></div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;                            use2 = <span class="keyword">False</span></div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;                            error2 = error</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;                        <span class="keywordflow">except</span> Exception <span class="keyword">as</span> error:  <span class="comment"># other execution errors</span></div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;                            use2 = <span class="keyword">True</span></div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;                            error2 = error</div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;                        <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;                            use2 = <span class="keyword">True</span></div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;                        <span class="keywordflow">if</span> use2:</div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;                            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a89f16e86877b9ed50ee57fe590a812fe">close</a>()</div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;                            con._close()</div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;                            con._store(con2)</div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;                            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">_cursor</a> = cursor2</div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;                            con._usage += 1</div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;                            <span class="keywordflow">if</span> error2:</div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;                                <span class="keywordflow">raise</span> error2  <span class="comment"># raise the other error</span></div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;                            <span class="keywordflow">return</span> result</div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;                        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;                            cursor2.close()</div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;                        <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;                            <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;                    <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;                        con2.close()</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;                    <span class="keywordflow">except</span> Exception:</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;                        <span class="keywordflow">pass</span></div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;                <span class="keywordflow">if</span> transaction:</div>
<div class="line"><a name="l00586"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ac2af703a25deadeee6e54a38e78fc16d">  586</a></span>&#160;                    self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ac2af703a25deadeee6e54a38e78fc16d">_transaction</a> = <span class="keyword">False</span></div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;                <span class="keywordflow">raise</span> error  <span class="comment"># re-raise the original error again</span></div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;            <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;                con._usage += 1</div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;                <span class="keywordflow">return</span> result</div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160; </div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;        <span class="keywordflow">return</span> tough_method</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160; </div>
<div class="line"><a name="l00594"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ab72d192338c5a27e430aba101a55af93">  594</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ab72d192338c5a27e430aba101a55af93">__getattr__</a>(self, name):</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Inherit methods and attributes of underlying cursor.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;        <span class="keywordflow">if</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">_cursor</a>:</div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;            <span class="keywordflow">if</span> name.startswith((<span class="stringliteral">&#39;execute&#39;</span>, <span class="stringliteral">&#39;call&#39;</span>)):</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;                <span class="comment"># make execution methods &quot;tough&quot;</span></div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;                <span class="keywordflow">return</span> self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#adde9d6b5fc37b1c187e5c8ec4ba57941">_get_tough_method</a>(name)</div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;            <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;                <span class="keywordflow">return</span> getattr(self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">_cursor</a>, name)</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;        <span class="keywordflow">else</span>:</div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;            <span class="keywordflow">raise</span> InvalidCursor</div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160; </div>
<div class="line"><a name="l00605"></a><span class="lineno"><a class="line" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a78635b85456f5eb28b7ffc8e562beadb">  605</a></span>&#160;    <span class="keyword">def </span><a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a78635b85456f5eb28b7ffc8e562beadb">__del__</a>(self):</div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;        <span class="stringliteral">&quot;&quot;&quot;Delete the steady cursor.&quot;&quot;&quot;</span></div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;        <span class="keywordflow">try</span>:</div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;            self.<a class="code" href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a89f16e86877b9ed50ee57fe590a812fe">close</a>()  <span class="comment"># make sure the cursor is closed</span></div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;        <span class="keywordflow">except</span>:  <span class="comment"># builtin Exceptions might not exist any more</span></div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;            <span class="keywordflow">pass</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a967deb7e8879419b4459508c81dd5c9b"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a967deb7e8879419b4459508c81dd5c9b">aestate.opera.DBPool.steady_db.SteadyDBConnection._closeable</a></div><div class="ttdeci">_closeable</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00093">steady_db.py:93</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_a89f16e86877b9ed50ee57fe590a812fe"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a89f16e86877b9ed50ee57fe590a812fe">aestate.opera.DBPool.steady_db.SteadyDBCursor.close</a></div><div class="ttdeci">def close(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00477">steady_db.py:477</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_error_html"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_error.html">aestate.opera.DBPool.steady_db.SteadyDBError</a></div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00009">steady_db.py:9</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_a4974daa04f2293ce380353d058f70338"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a4974daa04f2293ce380353d058f70338">aestate.opera.DBPool.steady_db.SteadyDBCursor._inputsizes</a></div><div class="ttdeci">_inputsizes</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00454">steady_db.py:454</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a4a484f6c16d2e10f1b7d741468d6fde1"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a4a484f6c16d2e10f1b7d741468d6fde1">aestate.opera.DBPool.steady_db.SteadyDBConnection._failure</a></div><div class="ttdeci">_failure</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00188">steady_db.py:188</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_a6edf22f1da7cfbc9dc9818dac2caa183"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a6edf22f1da7cfbc9dc9818dac2caa183">aestate.opera.DBPool.steady_db.SteadyDBCursor._kwargs</a></div><div class="ttdeci">_kwargs</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00436">steady_db.py:436</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a2b210013187a6cffb7718d598bf013dd"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a2b210013187a6cffb7718d598bf013dd">aestate.opera.DBPool.steady_db.SteadyDBConnection._create</a></div><div class="ttdeci">def _create(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00113">steady_db.py:113</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_a78635b85456f5eb28b7ffc8e562beadb"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a78635b85456f5eb28b7ffc8e562beadb">aestate.opera.DBPool.steady_db.SteadyDBCursor.__del__</a></div><div class="ttdeci">def __del__(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00605">steady_db.py:605</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_ab543a5372b7290094e31aca15a86a214"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ab543a5372b7290094e31aca15a86a214">aestate.opera.DBPool.steady_db.SteadyDBCursor.__init__</a></div><div class="ttdeci">def __init__(self, con, *args, **kwargs)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00429">steady_db.py:429</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a4f15611028c8c75b3922875df7b075dc"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a4f15611028c8c75b3922875df7b075dc">aestate.opera.DBPool.steady_db.SteadyDBConnection.commit</a></div><div class="ttdeci">def commit(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00329">steady_db.py:329</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_invalid_cursor_html"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_invalid_cursor.html">aestate.opera.DBPool.steady_db.InvalidCursor</a></div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00013">steady_db.py:13</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html">aestate.opera.DBPool.steady_db.SteadyDBCursor</a></div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00426">steady_db.py:426</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a3e0e1369afa1617dbe2bc82cfc04b95f"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3e0e1369afa1617dbe2bc82cfc04b95f">aestate.opera.DBPool.steady_db.SteadyDBConnection._maxusage</a></div><div class="ttdeci">_maxusage</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00086">steady_db.py:86</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a62e59360bcc86021361d195e912b133a"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a62e59360bcc86021361d195e912b133a">aestate.opera.DBPool.steady_db.SteadyDBConnection.__del__</a></div><div class="ttdeci">def __del__(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00418">steady_db.py:418</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_aacd481d615fddce87d6076d1b4aa28f2"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#aacd481d615fddce87d6076d1b4aa28f2">aestate.opera.DBPool.steady_db.SteadyDBConnection.cancel</a></div><div class="ttdeci">def cancel(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00359">steady_db.py:359</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a07d8073d2c0efe70f50dc831de617466"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a07d8073d2c0efe70f50dc831de617466">aestate.opera.DBPool.steady_db.SteadyDBConnection._kwargs</a></div><div class="ttdeci">_kwargs</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00094">steady_db.py:94</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a3b01962d75077791567d955ca19b3cfc"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3b01962d75077791567d955ca19b3cfc">aestate.opera.DBPool.steady_db.SteadyDBConnection._cursor</a></div><div class="ttdeci">def _cursor(self, *args, **kwargs)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00376">steady_db.py:376</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a9f80424141adf1798c87855d0d462885"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a9f80424141adf1798c87855d0d462885">aestate.opera.DBPool.steady_db.SteadyDBConnection._creator</a></div><div class="ttdeci">_creator</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00059">steady_db.py:59</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a24982314ea0b9b7637539c08507791e0"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a24982314ea0b9b7637539c08507791e0">aestate.opera.DBPool.steady_db.SteadyDBConnection._setsession</a></div><div class="ttdeci">def _setsession(self, con=None)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00202">steady_db.py:202</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_afc3b5a8c80af36a6e43f8c6c86db4916"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#afc3b5a8c80af36a6e43f8c6c86db4916">aestate.opera.DBPool.steady_db.SteadyDBConnection._store</a></div><div class="ttdeci">def _store(self, con)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00212">steady_db.py:212</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_a2190d19a7524ad78804ebdd548c5738b"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2190d19a7524ad78804ebdd548c5738b">aestate.opera.DBPool.steady_db.SteadyDBCursor._closed</a></div><div class="ttdeci">_closed</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00433">steady_db.py:433</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_aa30777ea211bebe80a224d571f2a2464"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#aa30777ea211bebe80a224d571f2a2464">aestate.opera.DBPool.steady_db.SteadyDBConnection.close</a></div><div class="ttdeci">def close(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00297">steady_db.py:297</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a13424ae4000c82bdbccda18d9c874b2d"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a13424ae4000c82bdbccda18d9c874b2d">aestate.opera.DBPool.steady_db.SteadyDBConnection._transaction</a></div><div class="ttdeci">_transaction</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00215">steady_db.py:215</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_a1fc46226286ac5dec97826688df6b432"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1fc46226286ac5dec97826688df6b432">aestate.opera.DBPool.steady_db.SteadyDBCursor._cursor</a></div><div class="ttdeci">_cursor</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00432">steady_db.py:432</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_a7cf3f9e961d70360ae259fb1f48efc26"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a7cf3f9e961d70360ae259fb1f48efc26">aestate.opera.DBPool.steady_db.SteadyDBCursor.__exit__</a></div><div class="ttdeci">def __exit__(self, *exc)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00448">steady_db.py:448</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a00bb5c0ae0eb6e6324a9b88c00395951"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a00bb5c0ae0eb6e6324a9b88c00395951">aestate.opera.DBPool.steady_db.SteadyDBConnection.rollback</a></div><div class="ttdeci">def rollback(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00344">steady_db.py:344</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_ab72d192338c5a27e430aba101a55af93"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ab72d192338c5a27e430aba101a55af93">aestate.opera.DBPool.steady_db.SteadyDBCursor.__getattr__</a></div><div class="ttdeci">def __getattr__(self, name)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00594">steady_db.py:594</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_ab208b1de0d758fcfdcb36cb9fae636b6"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ab208b1de0d758fcfdcb36cb9fae636b6">aestate.opera.DBPool.steady_db.SteadyDBCursor.__enter__</a></div><div class="ttdeci">def __enter__(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00444">steady_db.py:444</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_ae661a245d37529b8471e43c94350ddd2"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ae661a245d37529b8471e43c94350ddd2">aestate.opera.DBPool.steady_db.SteadyDBConnection.__exit__</a></div><div class="ttdeci">def __exit__(self, *exc)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00103">steady_db.py:103</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a742fe587806656b2ca6709ed3d854fc2"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a742fe587806656b2ca6709ed3d854fc2">aestate.opera.DBPool.steady_db.SteadyDBConnection.__init__</a></div><div class="ttdeci">def __init__(self, creator, maxusage=None, setsession=None, failures=None, ping=1, closeable=True, *args, **kwargs)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00052">steady_db.py:52</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_ac2af703a25deadeee6e54a38e78fc16d"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#ac2af703a25deadeee6e54a38e78fc16d">aestate.opera.DBPool.steady_db.SteadyDBCursor._transaction</a></div><div class="ttdeci">_transaction</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00586">steady_db.py:586</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_ac3bc1ea308b937f4ecbcf28741915070"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ac3bc1ea308b937f4ecbcf28741915070">aestate.opera.DBPool.steady_db.SteadyDBConnection._usage</a></div><div class="ttdeci">_usage</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00217">steady_db.py:217</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a18006674f1ac32da608fe154d1ecb888"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a18006674f1ac32da608fe154d1ecb888">aestate.opera.DBPool.steady_db.SteadyDBConnection._failures</a></div><div class="ttdeci">_failures</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00091">steady_db.py:91</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a5e6832cf015626426e9baef4be3ce964"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5e6832cf015626426e9baef4be3ce964">aestate.opera.DBPool.steady_db.SteadyDBConnection._setsession_sql</a></div><div class="ttdeci">_setsession_sql</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00087">steady_db.py:87</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a90b8923e39f13d9501b3461a7ce56af3"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a90b8923e39f13d9501b3461a7ce56af3">aestate.opera.DBPool.steady_db.SteadyDBConnection.cursor</a></div><div class="ttdeci">def cursor(self, *args, **kwargs)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00414">steady_db.py:414</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_ae3c637c3c1ae68e692a5cdf4b1271e09"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ae3c637c3c1ae68e692a5cdf4b1271e09">aestate.opera.DBPool.steady_db.SteadyDBConnection.__enter__</a></div><div class="ttdeci">def __enter__(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00099">steady_db.py:99</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_add0880b8bd00bc7e1c2e401dcfc18c53"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#add0880b8bd00bc7e1c2e401dcfc18c53">aestate.opera.DBPool.steady_db.SteadyDBCursor._setsizes</a></div><div class="ttdeci">def _setsizes(self, cursor=None)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00465">steady_db.py:465</a></div></div>
<div class="ttc" id="anamespaceaestate_1_1opera_1_1_d_b_pool_1_1steady__db_html_ac744dc4ab3e2dabdd34d3441e7d9ab5c"><div class="ttname"><a href="namespaceaestate_1_1opera_1_1_d_b_pool_1_1steady__db.html#ac744dc4ab3e2dabdd34d3441e7d9ab5c">aestate.opera.DBPool.steady_db.connect</a></div><div class="ttdeci">def connect(creator, maxusage=None, setsession=None, failures=None, ping=1, closeable=True, *args, **kwargs)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00017">steady_db.py:17</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a5763a69034242a89c31398732f250fd7"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a5763a69034242a89c31398732f250fd7">aestate.opera.DBPool.steady_db.SteadyDBConnection._close</a></div><div class="ttdeci">def _close(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00219">steady_db.py:219</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_ac09c6e5780862bf432fc570794b55dd7"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#ac09c6e5780862bf432fc570794b55dd7">aestate.opera.DBPool.steady_db.SteadyDBConnection.dbapi</a></div><div class="ttdeci">def dbapi(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00279">steady_db.py:279</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_a3ea678251bc7532844887fa61f41158d"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a3ea678251bc7532844887fa61f41158d">aestate.opera.DBPool.steady_db.SteadyDBCursor.setoutputsize</a></div><div class="ttdeci">def setoutputsize(self, size, column=None)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00456">steady_db.py:456</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a7fb759cb11cc99cf24d36a55ca0bd5d2"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a7fb759cb11cc99cf24d36a55ca0bd5d2">aestate.opera.DBPool.steady_db.SteadyDBConnection._closed</a></div><div class="ttdeci">_closed</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00056">steady_db.py:56</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a079e94869821c3af018c648799f1e67d"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a079e94869821c3af018c648799f1e67d">aestate.opera.DBPool.steady_db.SteadyDBConnection._ping_check</a></div><div class="ttdeci">def _ping_check(self, ping=1, reconnect=True)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00244">steady_db.py:244</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a020be08cf4a1664fee30a4148dacc6ce"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a020be08cf4a1664fee30a4148dacc6ce">aestate.opera.DBPool.steady_db.SteadyDBConnection.threadsafety</a></div><div class="ttdeci">def threadsafety(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00287">steady_db.py:287</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html">aestate.opera.DBPool.steady_db.SteadyDBConnection</a></div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00047">steady_db.py:47</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a3ab0ce9135d548b918bc7f649b089f83"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a3ab0ce9135d548b918bc7f649b089f83">aestate.opera.DBPool.steady_db.SteadyDBConnection._reset</a></div><div class="ttdeci">def _reset(self, force=False)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00233">steady_db.py:233</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_af3aee6da8e5ccf33205f9dcb5157cf8f"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#af3aee6da8e5ccf33205f9dcb5157cf8f">aestate.opera.DBPool.steady_db.SteadyDBCursor.setinputsizes</a></div><div class="ttdeci">def setinputsizes(self, sizes)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00452">steady_db.py:452</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a84b1f38ddb44c20ea64ac4583cf21531"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a84b1f38ddb44c20ea64ac4583cf21531">aestate.opera.DBPool.steady_db.SteadyDBConnection._con</a></div><div class="ttdeci">_con</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00055">steady_db.py:55</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_a1c3e746ab8894a23aa8c4904687b55ca"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a1c3e746ab8894a23aa8c4904687b55ca">aestate.opera.DBPool.steady_db.SteadyDBCursor._con</a></div><div class="ttdeci">_con</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00435">steady_db.py:435</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_afe65d250af716e2772d41ebcb95b0add"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#afe65d250af716e2772d41ebcb95b0add">aestate.opera.DBPool.steady_db.SteadyDBCursor._outputsizes</a></div><div class="ttdeci">_outputsizes</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00463">steady_db.py:463</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_adf762a7980ffe89f1db98f17787743fc"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#adf762a7980ffe89f1db98f17787743fc">aestate.opera.DBPool.steady_db.SteadyDBConnection.ping</a></div><div class="ttdeci">def ping(self, *args, **kwargs)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00372">steady_db.py:372</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_adde9d6b5fc37b1c187e5c8ec4ba57941"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#adde9d6b5fc37b1c187e5c8ec4ba57941">aestate.opera.DBPool.steady_db.SteadyDBCursor._get_tough_method</a></div><div class="ttdeci">def _get_tough_method(self, name)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00489">steady_db.py:489</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a0b4bdf72fa0b518eeea6ab88e6496ecc"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a0b4bdf72fa0b518eeea6ab88e6496ecc">aestate.opera.DBPool.steady_db.SteadyDBConnection._threadsafety</a></div><div class="ttdeci">_threadsafety</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00074">steady_db.py:74</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a578b2f4952e4ba3379b2a14b7f3dac0a"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a578b2f4952e4ba3379b2a14b7f3dac0a">aestate.opera.DBPool.steady_db.SteadyDBConnection._ping</a></div><div class="ttdeci">_ping</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00092">steady_db.py:92</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_a04d2739405d17b620767fc64b1bd0031"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#a04d2739405d17b620767fc64b1bd0031">aestate.opera.DBPool.steady_db.SteadyDBConnection._dbapi</a></div><div class="ttdeci">_dbapi</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00060">steady_db.py:60</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor_html_a2a3784debbf73c4c7a4048d316df7bd3"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_cursor.html#a2a3784debbf73c4c7a4048d316df7bd3">aestate.opera.DBPool.steady_db.SteadyDBCursor._clearsizes</a></div><div class="ttdeci">def _clearsizes(self)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00460">steady_db.py:460</a></div></div>
<div class="ttc" id="aclassaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection_html_af394832af1730b3f6a9819dc533a7689"><div class="ttname"><a href="classaestate_1_1opera_1_1_d_b_pool_1_1steady__db_1_1_steady_d_b_connection.html#af394832af1730b3f6a9819dc533a7689">aestate.opera.DBPool.steady_db.SteadyDBConnection.begin</a></div><div class="ttdeci">def begin(self, *args, **kwargs)</div><div class="ttdef"><b>Definition:</b> <a href="steady__db_8py_source.html#l00312">steady_db.py:312</a></div></div>
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